• Boeing (Berkeley, MO)
    …Python, C#, Groovy, Java, REACT) Experience with Windows and Linux operating systems and system administration of both Experience with troubleshooting ... on operational systems Experience creating shell scripts for system administration and monitoring Preferred Qualifications (Desired Skills/Experience)… more
    job goal (01/05/26)
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  • Senior Linux Systems

    General Dynamics Information Technology (Macdill AFB, FL)
    …Advance how our customers operate while you advance your career. Join GDIT as a ** Senior Linux Systems Administrator** and build an impactful career in ... people who are driven and resourceful like you. MEANINGFUL WORK AND PERSONAL IMPACT As a ** Senior Linux Systems Administrator** , the work you'll do at GDIT… more
    General Dynamics Information Technology (12/18/25)
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  • Senior Linux /Unix Administrator

    S4 Inc. (Omaha, NE)
    …and Computer Systems Administrator Overview: S4 is seeking an experienced Senior Unix/ Linux OS Administrator to support the USSTRATCOM IT Enterprise at ... Experience | Full Time | Comprehensive and competitive benefits Job Title: Senior Linux /Unix Administrator Work Location: USSTRATCOM Offutt AFB Clearance: TS/SCI… more
    S4 Inc. (01/07/26)
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  • Senior Linux Systems

    Leidos (Camp Springs, MD)
    …Join our dynamic team and take ownership of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator, you'll be instrumental ... Security Certified Practitioner (SSCP)). + Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator). + 3+… more
    Leidos (12/20/25)
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  • Senior Linux Architect

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    …**Manage and oversee Engineers on the following:** + Utilize Red Hat Enterprise Linux system administration experience to provide technical problem solving ... **Overview** ** SENIOR LINUX ARCHITECT (CORPIT)** Bowhead seeks...Minimum ten or more years (10+) of experience in system administration of Linux -based servers… more
    UIC Government Services and the Bowhead Family of Companies (12/03/25)
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  • Senior Linux Systems

    SAIC (Princeton, NJ)
    **Description** SAIC is recruiting for a ** Senior Linux Systems Administrator** to join our program as a general technologist to support our NOAA GFDL ... not be limited to: . Providing Mid-Tier to Top-Tier Systems Administration for clients and servers in...seven (7) years of experience . Demonstrated proficiency in Linux administration best practices . Demonstrated knowledge… more
    SAIC (01/08/26)
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  • Senior Linux Administrator

    Leidos (Fort Belvoir, VA)
    **Description** The DTRA program at Leidos is seeking a ** Senior Linux Administrator** in Fort Belvoir, VA to support the DTRA I3TS Infrastructure Services team ... to work well as a part of the DTRA Systems Administration team using ITIL best practices...from design through development to production, building and deploying Linux based systems in a virtual environment.… more
    Leidos (12/30/25)
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  • Senior Linux Engineer

    CACI International (Chantilly, VA)
    Senior Linux Engineer Job Category: Engineering Time...experience. * At least 5 years of experience in Linux system administration , with a focus ... * Experience with Docker, including containerization and orchestration. * Strong understanding of Linux operating systems , including Red Hat Enterprise Linux more
    CACI International (11/01/25)
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  • Senior Linux /Unix Systems

    SMX (Dahlgren, VA)
    Senior Linux /Unix Systems Administrator (4411)at SMX(View all jobs) (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated ... Senior Linux /Unix Administrator to join our team...in Dahlgren, VA. Essential Duties & Responsibilities include thedaily administration of Linux /Unix systems and… more
    SMX (12/04/25)
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  • Senior Linux Systems

    The Boeing Company (Hazelwood, MO)
    …The Boeing Company's Specialized United States Infrastructure organization is currently seeking a ** Senior Linux Systems Administrator** to join the team in ... , connectivity diagrams, and create standard operating procedures for system administration tasks + Mentor junior team...military experience + 5+ years of experience with RedHat-based systems (RHEL, Oracle Linux , Fedora) and SUSE… more
    The Boeing Company (12/25/25)
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  • Senior Linux System

    Belay Technologies (Annapolis Junction, MD)
    …runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior Linux System Administrator (SA). The SA provides support for implementation, ... + Will need to be available to respond to system administration and maintenance problems while off...Must have experience in or familiarity with the following systems : Windows/ Linux operating systems , VMware,… more
    Belay Technologies (01/04/26)
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  • Senior Linux System

    Parsons Corporation (Aberdeen, MD)
    …possible. **Job Description:** _Parsons is looking for an amazingly talented_ **_Senior Linux Systems Administrator_** _to join our team!_ **_What You'll Be ... Doing:_** + _Support the system administration for ARL high performance computers_...Required Skills You'll Bring:_** + _Extensive background in diverse Linux operating systems and high performance computing_… more
    Parsons Corporation (11/15/25)
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  • Senior Linux Data Center Engineer

    Samsung SDS America (Plano, TX)
    …of experience in infrastructure engineering + Data center operations, server hardware, Linux , and Windows system administration . (must-have) + Virtualization ... smarter and faster. Samsung SDS America is seeking a Senior Linux Data Center Engineer to join...for a seasoned infrastructure professional with deep expertise in Linux systems and high-performance computing (HPC). You… more
    Samsung SDS America (12/10/25)
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  • Senior Linux System

    ManTech (Fort Meade, MD)
    ManTech seeks a ** Senior Linux System Administrator** to join our team in **Ft. Meade, MD** . In this role, you will provide support for implementation, ... and system planning. + Configure and manage Linux and Windows operating systems ; install, load,...20+ years of related experience in systems administration or IT operations. + Experience with Linux more
    ManTech (12/24/25)
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  • Senior Linux System

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior ... System Administrator is responsible for leading system administration activities. This position oversees the...Required Qualifications: * Experience: Minimum of 10 years in systems administration roles * Education: Master's degree… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Senior Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator** in our **National Security Sector's (NSS) Cyber & ... program "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam...plus eleven (11) to fifteen (15) years of relevant systems administration experience or equivalent. + **Security… more
    Leidos (01/08/26)
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  • Senior Systems Administrator…

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …Defense (DoD) environment. This role requires deep technical expertise in Linux systems , leadership in secure system administration , and a strong working ... Foundation Family of Companies (FOCs) is looking for a Senior Linux Systems Administrator Range...in a team environment and participate in technical and system administrative activities throughout project life cycles.… more
    Alaka'ina Foundation Family of Companies (11/20/25)
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  • Senior Systems Administrator…

    Amentum (Waimea, HI)
    …Defense (DoD) environment. This role requires deep technical expertise in Linux systems , leadership in secure system administration , and a strong working ... Amentum is seeking a highly experienced Senior Linux System Administrator...+ Apply and manage patches and updates across all Linux systems in accordance with DoD and… more
    Amentum (12/24/25)
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  • Senior Linux System

    GovCIO (Madison, WI)
    …Perl, Ruby, Python - appropriate use of built-in functions and libraries + Advanced Linux System Administration , Configuration, and System Security + ... Linux administration duties will be included in this role. + Senior -level RedHat Linux server administration experience, experience with other … more
    GovCIO (11/07/25)
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  • Linux Administrator, Senior

    Amentum (Baltimore, MD)
    …in the resolution process. Configures and manages Linux operating systems and installs/loads operating system software, troubleshoots, maintains integrity ... to stay ahead of the next challenge. **Responsibilities:** This Senior Linux administrator position will provide candidates...SCI and Poly * At least 9 years of Linux Administration experience * Bachelor's Degree in… more
    Amentum (01/06/26)
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